US Bridges

Riva Avenue over Lawrence Brook

Fair

Middlesex County, New Jersey · 0.3 Mile East of US 130 · Structure no. 124B037

Built
1910
115 years old, rebuilt 1989
Condition
Fair
inspected March 2023
Type
Slab
Prestressed Concrete
Length
46 ft
2 main spans
Daily traffic
2,182
2023 count
Owner
County
County Highway Agency

About this bridge

Riva Avenue over Lawrence Brook is a prestressed concrete slab carrying Riva Avenue over Lawrence Brook in Middlesex County, New Jersey. It was built in 1910 and reconstructed in 1989, so it is 115 years old, older than the New Jersey average of 58.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 2,182 vehicles a day, roughly 1% of them trucks, projected to reach 2,663 by 2043. The structure is 46 ft (14 m) long and 22 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesRiva Avenue
CrossesLawrence Brook
Location0.3 Mile East of US 130
RouteCity Street 0
CountyMiddlesex County
StateNew Jersey
Coordinates40.4126, -74.49906
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating110.1 US tons
Inventory rating89.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length46 ft (14 m)
Longest span22 ft (6.7 m)
Deck width22 ft (6.7 m)
Roadway width18 ft (5.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,182 (2023)
Projected traffic2,663 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$1,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Riva Avenue over Lawrence Brook built?

It was built in 1910, making it 115 years old in 2025. It was reconstructed in 1989.

What condition is Riva Avenue over Lawrence Brook in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2023.

How much traffic does Riva Avenue over Lawrence Brook carry?

About 2,182 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Riva Avenue over Lawrence Brook?

The structure is 46 ft (14 m) long with a longest span of 22 ft (6.7 m) and a deck 22 ft wide.

Who owns Riva Avenue over Lawrence Brook?

It is owned by the County Highway Agency.